KMC IMS KM552 MATTE BLACK WITH GLOSS BLACK LIP 17x8.5 YouTube KM552MB20906318: 20x9 6x135 18 Offset KMC KM552 IMS MATTE BLACK W GLOSS KMC IMS KM552 17X8.5 MATTE BRONZE WITH GLOSS BLACK LIP YouTube 20x9 +0 KMC KM552 IMS 8x180 Machined W Matte Black Lip Wheels (Set of. The KM552 IMS is a reimagined version of our famous Impact race wheel, tailored for your street and trail vehicle. Featuring a robust monoblock construction and simulated beadlock design, the KM552 is the perfect style additive for your truck, Jeep, and SUV. We took the IMS performance even further. We now offer the KM552 in 18 diameters and your choice of 6 and 8 lug bolt patterns for HD applications.